Key facts
- This page summarizes Michael C. Colwell's Form 4 filing for KADANT INC (KAI).
- 18 reported transactions and 6 derivative rows are listed below.
- Accepted by SEC: 12 Mar 2026, 07:35.
Michael C. Colwell - 10 Mar 2026 Form 4 Insider Report for KADANT INC (KAI)
- Reporting relationship
- Senior Vice President
- Issuer ticker
- KAI
- Reported as of
- 10 Mar 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 12 Mar 2026, 07:35:01 UTC
- Prior SEC filing
- 10 Mar 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Stacy D. Krause, by power of attorney
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Michael C. Colwell filed Form 4 for KADANT INC (KAI) on 12 Mar 2026.
Change
- Previous filing in this sequence was filed on 10 Mar 2025.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001781018
Primary reporting owner
Colwell Michael C.
- Relationship
- Senior Vice President
- Address
- KADANT INC., ONE TECHNOLOGY PARK DRIVE, WESTFORD
- Signature
- /s/ Stacy D. Krause, by power of attorney
- Signature date
- 12 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
KAI
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +583
- Change %
- +19%
- Price
- Shares after
- 3,639
- Date
- 10 Mar 2026
- Ownership
- Direct
- Footnotes
- F1
KAI
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -265
- Change %
- -7.3%
- Price
- $334.17*
- Shares after
- 3,374
- Date
- 10 Mar 2026
- Ownership
- Direct
KAI
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +111
- Change %
- +3.3%
- Price
- Shares after
- 3,485
- Date
- 10 Mar 2026
- Ownership
- Direct
- Footnotes
- F2
KAI
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -51
- Change %
- -1.5%
- Price
- $334.17*
- Shares after
- 3,434
- Date
- 10 Mar 2026
- Ownership
- Direct
KAI
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +438
- Change %
- +13%
- Price
- Shares after
- 3,872
- Date
- 10 Mar 2026
- Ownership
- Direct
- Footnotes
- F3
KAI
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -199
- Change %
- -5.1%
- Price
- $334.17*
- Shares after
- 3,673
- Date
- 10 Mar 2026
- Ownership
- Direct
KAI
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +105
- Change %
- +2.9%
- Price
- Shares after
- 3,778
- Date
- 10 Mar 2026
- Ownership
- Direct
- Footnotes
- F4
KAI
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -48
- Change %
- -1.3%
- Price
- $334.17*
- Shares after
- 3,730
- Date
- 10 Mar 2026
- Ownership
- Direct
KAI
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +313
- Change %
- +8.4%
- Price
- Shares after
- 4,043
- Date
- 10 Mar 2026
- Ownership
- Direct
- Footnotes
- F5
KAI
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -142
- Change %
- -3.5%
- Price
- $334.17*
- Shares after
- 3,901
- Date
- 10 Mar 2026
- Ownership
- Direct
KAI
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +82
- Change %
- +2.1%
- Price
- Shares after
- 3,983
- Date
- 10 Mar 2026
- Ownership
- Direct
- Footnotes
- F6
KAI
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -38
- Change %
- -0.95%
- Price
- $334.17*
- Shares after
- 3,945
- Date
- 10 Mar 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
KAI
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- Shares
- -583
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 10 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 583
- Exercise price
- $0.000000
- Footnotes
- F1
KAI
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- Shares
- -111
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 10 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 111
- Exercise price
- $0.000000
- Footnotes
- F2
KAI
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- Shares
- -438
- Change %
- -50%
- Price
- $0.000000*
- Shares after
- 438
- Date
- 10 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 438
- Exercise price
- $0.000000
- Footnotes
- F3
KAI
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- Shares
- -105
- Change %
- -50%
- Price
- $0.000000*
- Shares after
- 104
- Date
- 10 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 105
- Exercise price
- $0.000000
- Footnotes
- F4
KAI
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- Shares
- -313
- Change %
- -33%
- Price
- $0.000000*
- Shares after
- 626
- Date
- 10 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 313
- Exercise price
- $0.000000
- Footnotes
- F5
KAI
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- Shares
- -82
- Change %
- -34%
- Price
- $0.000000*
- Shares after
- 162
- Date
- 10 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 82
- Exercise price
- $0.000000
- Footnotes
- F6
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 6 footnotes
Footnote F1
The shares represent the partial settlement under a perfomance-based RSU award granted March 7, 2023. One-third of the RSU vested and became distributable on March 10, 2026 and was converted to common stock on a one-for-one basis on the vesting date.
Footnote F2
The shares represent the partial settlement under a time-based RSU award granted March 7, 2023. One-third of the RSU vested and became distributable on March 10, 2026 and was converted to common stock on a one-for-one basis on the vesting date.
Footnote F3
The shares represent the partial settlement under a performance-based RSU award granted March 6, 2024. One-third of the RSU vested and became distributable on March 10, 2026 and was converted to common stock on a one-for-one basis on the vesting date.
Footnote F4
The shares represent the partial settlement under a time-based RSU award granted March 6, 2024. One-third of the RSU vested and became distributable on March 10, 2026 and was converted to common stock on a one-for-one basis on the vesting date.
Footnote F5
The shares represent the partial settlement under a performance-based RSU award granted March 4, 2025. One-third of the RSU vested and became distributable on March 10, 2026 and was converted to common stock on a one-for-one basis on the vesting date.
Footnote F6
The shares represent the partial settlement under a time-based RSU award granted March 4, 2025. One-third of the RSU vested and became distributable on March 10, 2026 and was converted to common stock on a one-for-one basis on the vesting date.